The Miriam "Mimi" Katz Papers are mainly comprised of materials documenting Katz's involvement with community organizations in Las Vegas, Nevada from the 1940s to 2015 (the bulk of the materials date from 2002 to 2014). A large portion of the collection consists of planning documents, correspondence, event programs, newsletters, meeting agendas, meeting minutes, photographs, and other records related to Katz's involvement in the Brandeis National Committee Las Vegas Chapter and the Temple Beth Sholom Women's League. The collection also includes similar types of materials that document Katz's work with other community groups such as the Jewish Community Center of Southern Nevada and the League of Women Voters, and her work on the political campaigns of Democratic state and federal politicians.

The Blue Diamond History Committee Collection (1920s-2012) contains materials related to the history of the Blue Diamond Mine and nearby village located about twenty-five miles outside of Las Vegas, Nevada. The collection contains materials including environmental reports, photographs of the mine and its employees and their families, maps, a photocopy of a diary, mine operation records and accident reports, community calendars, and correspondence and property documents of the local post office.

The Sister Klaryta Antoszewska Photograph Collection (1977-1991) consists of photographic slides that depict various Nevada, United States, and international nuclear test protests. The collection includes images of Sister Klaryta Antoszewska and Sister Rosemary Lynch, as well as images of the Lenten Desert Experience and numerous protests at the Nevada Test Site. Also included are images of nuclear testing, soldiers, and anti-nuclear testing promotional materials.

The Leon Rockwell Photograph Collection (approximately 1850-1979) contains black-and-white photographic prints, negatives, and slides, as well as postcards and tintypes. The images portray the lives of the Rockwell family in southern Nevada, their travels throughout New York and the western United States, and their immediate and extended family members. Also included are images of the volunteer and early firefighters of Las Vegas, Nevada, the Rockwell's family cabin at Mount Charleston, Nevada, and the Rockwell family home in Las Vegas. Portions of the images are from the Rockwell family travels across Nevada, Utah, New Mexico, Arizona, and California and depict historic locations such as Cove Fort, Utah; Rhyolite, Nevada; and Pueblo Grande de Nevada.

The Harriet Trudell Papers (1949-2006) document Trudell's activities as a Democratic Party advocate, feminist, Civil Rights activist, campaign advisor, and precinct organizer. Materials consist of correspondence, photographs, conference programs, election memorabilia, speeches, and newspaper clippings. There are also papers from the various organizations Trudell was involved in including The Feminist Majority, International Plans for Action, Americans for Democratic Action, and the Nevada Democratic Party.

The Linda Miller Papers (2008 to 2023) document Dr. Linda Miller's historic preservation work in Las Vegas, Nevada including her work portraying early Las Vegas resident, Helen J. Stewart, at historical events across Southern Nevada. The collection documents Miller's efforts to erect a statue of Helen Stewart at the Las Vegas, Nevada Old Mormon Fort, as well as her contributions to the programming for Sarah Winnemucca Day in 2018. The collection documents Miller's appearances as Helen J. Stewart through photographs, pamphlets, video recordings, digital files, and curriculum used for her outreach work. The collection also documents Dr. Miller's activities as chair for the Nevada State Society chapter of the National Society of the Daughters of the American Revolution (NSDAR).

The Clyde F. Merrick Photographic Slides (approximately 1971-1979) contain color photographic slides taken by Clyde F. Merrick, longtime resident of Las Vegas, Nevada. The majority of slides in this collection depict signs for different businesses around Las Vegas including the Las Vegas Strip and the Westside. Some of the businesses documented in this collection includes Fong's Garden, Leon's Shear Magic Beauty Salon, Lucas and Son's Antiques, Dick's Tricky Trikes, Mohan's Custom Tailors, the Twenty Grand Club, Owens TV Repair, and Caesars Palace. The collection also documents a variety of different types of businesses around Las Vegas including bars and nightclubs, beauty salons, car washes, gas stations, and restaurants. Merrick was also a car racing hobbyist and a number of slides in this collection depict what is presumed to be the Las Vegas Speedrome racetrack (later known the Las Vegas Motor Speedway). This collection also includes photographs of locations outside of Las Vegas and Southern Nevada.